Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . The Flea-beetle (Haltica cucumeris Harris).—Eatingholes in the leaves of this and other garden vege-tables, especially the cabbage, sometimes riddlingthem when young and causing them to turn rust-color, minute blackish beetles, which on being dis-a~ turbed leap off like fleas. Watering the leavesbeetle. wft]-j a solution of lime, or sprinkling them withwood-ashes, drives them away. The Striped Garden-bug (Lyyus lineolaris Beauvois).—Puncturing and poisoning the leaves of the potato and allsorts of gar
Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . The Flea-beetle (Haltica cucumeris Harris).—Eatingholes in the leaves of this and other garden vege-tables, especially the cabbage, sometimes riddlingthem when young and causing them to turn rust-color, minute blackish beetles, which on being dis-a~ turbed leap off like fleas. Watering the leavesbeetle. wft]-j a solution of lime, or sprinkling them withwood-ashes, drives them away. The Striped Garden-bug (Lyyus lineolaris Beauvois).—Puncturing and poisoning the leaves of the potato and allsorts of garden vegetables, causing them to wither and turnblack, a medium-sized bug with a yellowish head and a5-lined thorax. REMEDIES.—Sprinkle the leaves with, alkaline solutions, such asstrong soapsuds, or decoctions of tobacco and of walnut leaves, ordust the leaves with air-slaked lime or FIG. 247.—European cabbage-butterfly. A, male; S, female; a, larva; b, pupa. After Riley. Besides the foregoing insects, potato-plants are oftenattacked by the great Sphinx or horned caterpillar, thegrubs of the golden-helmet beetle (Cassida aurichalcca), INSEGT8 INJURIOUS TO AGRICULTURE. 205 while the stalks are sometimes tunnelled by the grub of aweevil (Baridius trinotatus Say), as well as the caterpillarof Gortyna nitela. Injuring the Cabbage, Radish, etc. The European Cabbage-butterfly (Pieris rapes Schrank).—Feeding not only on the outer leaves, but boring into IL ••heads in all directions, a green, velvety caterpillar with ayellowish stripe along the back and side, and turning intoa white butterfly with four (male) or six (female) conspicu-ous black spots. There are two broods of worms, the insectwintering as a chrysalis. It is held in check by a Chalcidparasite (Pteromalus puparum Linn.). REMEDIES.—Destroy the butterflies by capturing them with a hand-net; trap the c
Size: 1719px × 1453px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
